Food processing industry. There are more than 110 food processing enterprises in the city now, involving main products seafood, peanut products, ginger products, fruit can, fruit juice, wine, starch, tea etc. The city has introduced projects of OSI husbandry, industrial town of Taila Winery, Shu Tai Lang food, Runxing fruit and vegetable juice etc. and cultivated local backbone enterprises including Huaxin Foodstuffs, Hualong Food, Luling Fruit Juice, Tongren Food etc. Depending on superiority of abundant agricultural products and marine products of the city, the industries of peanut products, meat products, fruit & vegetable products, biological health-care food and seafood processing will be especially developed.

Rushan Huaxin Foodstuffs Co., Ltd. specializes in shellfish, fish and alga breeding and processing. Scallop processing and sale ranks the first in Shandong Province and the top three in the whole country. Annual production capacity reaches 100 thousand tons.

　　Hualong (Rushan) Food Industry Co., Ltd. produces peanut products, soybean peptide and other health care food. Its trademark “Dong Bao” is honored as Shandong famous trademark. Annual production capacity reaches 16 thousand tons.